powerpc/board: add present2 register definition for QIXIS

According to new QIXIS system definition, update QIXIS registers set
to add present2 register instead of obsolete ctl_sys2.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/board/freescale/common/qixis.c b/board/freescale/common/qixis.c
index e336b32..c92902a 100644
--- a/board/freescale/common/qixis.c
+++ b/board/freescale/common/qixis.c
@@ -85,11 +85,11 @@
 	printf("ctl_sys	= %02x\n", QIXIS_READ(ctl_sys));
 	printf("rcw_ctl = %02x\n", QIXIS_READ(rcw_ctl));
 	printf("present = %02x\n", QIXIS_READ(present));
+	printf("present2 = %02x\n", QIXIS_READ(present2));
 	printf("clk_spd = %02x\n", QIXIS_READ(clk_spd));
 	printf("stat_dut = %02x\n", QIXIS_READ(stat_dut));
 	printf("stat_sys = %02x\n", QIXIS_READ(stat_sys));
 	printf("stat_alrm = %02x\n", QIXIS_READ(stat_alrm));
-	printf("ctl_sys2 = %02x\n", QIXIS_READ(ctl_sys2));
 }
 #endif